Correct Lithuanian short date format.
BaseCache now has a no-op close method as per ticket #18582

Also removed the hasattr check when firing request_finished signal for
caches with a 'close' method. Should be safe to call `cache.close`
everywhere now
wrap long words in field labels on admin forms, closes #18755

Otherwise, words overlap into the fields themselves, which makes the labels
unreadable.
Allow reversed iteration over SortedDict.

Iterators cannot be reversed easily without this method.
Added tests for reversed iteration over SortedDict.
Fixed #19132 -- Added example for creating custom lazy function

Thanks flagzeta@yahoo.it for the report and Luke Plant for his
expert assistance.
Added missed poisoned host header tests
Fixed #18046 - Documented than an index is created by default for ForeignKeys; thanks jbauer for the suggestion.
Fixed #8001 -- Made redirections after add/edit in admin customizable.

Also fixes #18310.
Fixed #17388 - Noted in the custom model field docs that field methods need to handle None if the field may be null.
Fixed #19133 -- Corrected regression in form handling for user passwords.

Thanks to pressureman for the report, and to Preston Holmes for the draft patch.
Fixed #19150 -- Added validation for USERNAME_FIELD being included in REQUIRED_FIELDS.

Thanks to Chris Pagnutti for the suggestion.
Separated GIS installation docs in sections
Removed custom WSGIRequestHandler.get_environ

We probably historically customized it for good reasons, but
currently, the differences with upstream Python are not
significant any longer.
Also fixes #19075 for which a test has been added.
Fixed #17006 - Documented ModelAdmin get_form() and get_formsets()
Fixed #5611 -- Restricted accepted content types in parsing POST data

Thanks paulegan for the report and Preston Holmes for the review.
Fixed #19094 -- Improved FakePayload to support write, len and string input

Thanks Ondrej Slinták for the suggestion.
Fixed #17856 -- Passed obj to get_inline_instances

Thanks ybon, quinode and sjaensch for the patch, and Tim Graham
for the review.
Used FakePayload in requests tests
Fixed arguments for get_inline_instances example; refs #17856